The exit gate is known, because it's a return message that is connected from a lifeline to the diagram's frame with the arrowhead connected to the frame.

出口门同理可知，因为它是一个返回消息，连接从一个生命线到图的框架，箭头连接框架。

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Notice that in the server's lifeline, data submission from the client and the server-side processing are tightly coupled.

请注意在服务器的生命线上，来自客户机的数据提交和服务器端的处理是紧密耦合的。

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Throwing the country a lifeline, FIFA announced that it would rotate the tournament between football confederations.

给这个国家一条生命线，国际足联宣布它将在联盟国际轮流举办比赛。

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"As one business student in West Africa put it, 'English is a lifeline.'" And that's the VOA Special English Economics Report, written by Mario Ritter.

VOA: special.2011.01.21

Sana'a University Economics Professor Taha al-Fusail says the energy sector may be a lifeline, but Yemen needs to diversify its economy if it wants to grow in a way that will fund the government and feed the people.

VOA: standard.2010.04.20

As foreign competitors drive hard into this sector, that lifeline is being snatched away.

ECONOMIST: Driving downhill | The

Over the past few weeks, 600, 000 Americans have been cut off from that lifeline.

WHITEHOUSE: President Obama Signs Tax Cuts and Unemployment Insurance Legislation | The White House

The FCC said it is investigating allegations that some Lifeline providers violated the rules, though it declined to comment on that probe.

WSJ: Millions Improperly Claimed U.S. Phone Subsidies